Search found 3 matches

by mjhagen
Fri Nov 22, 2019 5:10 pm
Forum: NESdev
Topic: Works fine in the emulator, but on hardware it glitches.
Replies: 4
Views: 4516

Re: Works fine in the emulator, but on hardware it glitches.

I need someone here to tell me I'm a big dummy...

In my efforts to clean the donor cartridge and prep it for its new life I removed the solder bridge for horizontal mirroring! Bridged it and everything works now!
by mjhagen
Sun Nov 10, 2019 6:28 am
Forum: NESdev
Topic: Works fine in the emulator, but on hardware it glitches.
Replies: 4
Views: 4516

Re: Works fine in the emulator, but on hardware it glitches.

Thanks for the reply, on the 27256 I’ve checked the pin 1 voltage and that was up to spec (12v according to the data sheet.) I’ve also recapped the cartridges and NES. One possible next step is try it on a friend’s NES.
by mjhagen
Sun Nov 10, 2019 5:09 am
Forum: NESdev
Topic: Works fine in the emulator, but on hardware it glitches.
Replies: 4
Views: 4516

Works fine in the emulator, but on hardware it glitches.

Hi all, I've just written my first NES game using neslib/nesdoug and it works perfectly in multiple simulators. However, it either immediately or with a few seconds starts glitching, as if the memory deteriorates. It looks like my game dies before my eyes. It's really sad. I've taken some steps to n...